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Finding the Fourth Proportional to 100,358.59, 150,537.95 and 25,484.35

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Solution

The fourth proportional to 100,358.59, 150,537.95 and 25,484.35 is: 38,226.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,358.59 : 150,537.95 = 25,484.35 : x
  2. Step 2: Convert to fraction form
    100,358.59/150,537.95 = 25,484.35/x
  3. Step 3: Cross multiply
    100,358.59x = 150,537.95 × 25,484.35
  4. Step 4: Simplify right side
    100,358.59x = 3,836,360,925.97
  5. Step 5: Solve for x
    x = 3,836,360,925.97/100,358.59
  6. Step 6: Final answer
    x = 38,226.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.